Home / 1,335,955.68-2,003,505.84-437,153.76

Finding the Fourth Proportional to 1,335,955.68, 2,003,505.84 and 437,153.76

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Solution

The fourth proportional to 1,335,955.68, 2,003,505.84 and 437,153.76 is: 655,590.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,955.68 : 2,003,505.84 = 437,153.76 : x
  2. Step 2: Convert to fraction form
    1,335,955.68/2,003,505.84 = 437,153.76/x
  3. Step 3: Cross multiply
    1,335,955.68x = 2,003,505.84 × 437,153.76
  4. Step 4: Simplify right side
    1,335,955.68x = 875,840,111,137.96
  5. Step 5: Solve for x
    x = 875,840,111,137.96/1,335,955.68
  6. Step 6: Final answer
    x = 655,590.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.